Drawing fixture



Aug. 10, 1943. J. D. LEFFEL DRAWING FIXTURE Original Filed July 22, 1941IllllllllllllllIllllllIIIII!IiHIIIII||lllllllllllllllllllilllllllllllflllIlllllllIIlllllllllllllllllllllll||IIIlllll|IlllllllllllIlllllllllllllllllllll!"f Patented Aug; I

' This a licat o ia di i ien i rial No. 403,522,fi1 1 Ju1 22, 1941; 7 vi. -fI he. invention provides a fldrawingyfixture-or v detachablyretained in a r 'thegguidemember beingfinclampedposition 1 1 .Eigil3--is' a bottom. plan view tions broken away; and shown Tin h parts; ofthe :guid

1 board andr the like.

amesl Dorsey" 1403 522. 7 19 42,Seri al ;N v

drawingfixtureland the like,

so pe havin a sheet-esupp rting plate carried-by asuitab1e -fra meformed to slidably mount 1 a straight edge for sliding movement thereon,and

r g Remington Rand Inc.,

jpo'rationefDelaware r v t jflrigina'i applicationjuly i9 iL=i-SerialDivided and thisanDlication-vJunelS ght edge? a R wardly;extendingslots.en-ppposite side edgesin so arranged that it'may be resilientlyand slidably; retained in position; for 'slidable ;m'ovement along thesides or the :ends of the frame.

, 7 Theflstraight edge of this invention-provides a pair ef-guidemembers thereon, one'o'fi'which is adjusted positions for resilientlyretainingppthe. straight-edge on a drawing board fixture, ordthe lilgefor ,conyenientfsliding movement thereon during'use,

-;In:.thedraw1ng:

Fig. ;1 shows 'apla thestraight edgeapplied thereto, 131 V s; Fi g. 2 isan enlarged cross section: taken ion i line i2v of Fig. i 1, ;having.lportions broken'away enlarged, sho

I.thestructure ofsthe-guide membergv Eigifil is agsideelevation'ofaportion of the straight edge and the guide member with pore ginember:beings, in non:

clamping position; r

by-Vthis invention... This framemaygbe the frame 7 of a drawingfixturefor cutting stencils as shown 'I his "straight edge includes anlongated' strip' 31 having a 'cross' member secured ononeend andprovided with al laterally extending guide flange5 perpendicular tostrip-3'; The free edge.

of guide flange 5 is formed with'a'supplementa'l Jguide flange 6extending toward the opposite end cross section,

ny oneiof a pluralityiof In theldkng positionspring pressednlatich 1 H lh'asan endiportioniitthatengagesiiri-theserra'itions.oncorrugations:argon strip ,-3v; in.za"position V slightlyinclined .toza, plane r-perpendicular to strip I 3.1.7 InthiSPOSitiOl'lthe laterallylextending handle I V r 4 flthroughza slotinxen'dpor'tiomm will tend to r V 1- Fig. .5 shows the-partsfi of the,adjustablefguide 5 7 member in perspective in disassembled relation; 7frame]. of; rectangular form is provided for use in (cennection withithestraight edge provided 3 tion M'about' its fulcrum past the dead centeposition where sprin'gllfi wi11"move':it outfofofstrip' 3 for thepurpose of engaging the under side portion of the projecting edge orflange 2 a of frame member I outside of the depending flange l of theframe member. I

This provides a structure for slidably u d ng one endofstraight'edgegs'trip 3 along one side" 7 oriendof frame 'I at the sametime preventing ppneietnse v j ted at :f A

I central fsectign of guidfgmember. 3 i

' at'glfiyand is located-above oron topgof straight .edge strip, "3;f-'whi1ethe tend below the? strip in. the l manner. illustrate V flanges.*yAspring pressed'latch member 'flz is h r i 7 r m ulc u ficd 1 1-tecentrali.portion 1,3-of-3'guide" viewsofia frame having .1 r

" tween-"two positions} one of' which V 'p S and the o etfa'releaseposition: i-t

tral portion liljinlthefm'anneiishownin'Eigg2L V Whenever it is i d z st a ht edge 5 I vto-exterid in a right angular directionfr mitengagement with the 'corrugatedi fac'e 8 of strip 3 l t. movedlengthwiseof strip s so thatfthe' straight use-of the straight edge. The oppositeendgofst a f Qr d1-W th' a'n.- pe'r v r ed o r'a v rsely, grooved-faceon aopposite sidesz'of the slot-indi 'guidemember-S -is formed of-;a;1.J-.v phaving fthe legs formed with in-n refrain step ingbe r,tha rsmejmthe. min

shaped str e nd i go rieq'eivie-thep rt ons pf; strip a v 5%vo nq i esde sei ofili s dab e e fiiq I indicated f e i nd's; ofjth'e Jes i ex:

Figsiz; 2111351135.One ofethelegjportioi lsroarries a 1 i resilientguide spring-I lxformed to-havetheends v slidably engage theoutsidesurface of depending; o l

memberja ontop,pf:strip:13}for-movementjbe -o i l n 1 V portion:willengageone fend-:ofjthe top of s'aidloen 7 while .a resilientoperatinglispringal 5extending tain'ztlie latchin this position-becauseend por V tion-=l4- has'passed theideadcenterpositions."=In t this.position of end xportioniil 4*, it is wedgedb tween centraliportio'n l3andistripai foriretain ingmembergii in iadjusted position to cooperate 4V with cross -member 4toiislidably-"mountthe e straight edge .forparallel movement on frame 11?. A'retaining' member H is mounted onand'ex tends across the slotted end of strip 3. for retain ingguidemember 9 on the' strip, r

illustrated in Fig. 1; thiscan bedonebyrelease ing latch member I?through operating the hani-Z die on, the endthereof so as to moveendpor-3 Fig; {1. This'guide member may then be slidably I edge constructionmaybe .diserrgagedt fromthe I l frame as shown'in Fig. lfandappliedaoross said frame with the cross 'he'adand guide mem

